28881522

素因数分解:

$2^1\times 3^8\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 72

約数和(自身を含む): 68020992

約数和(自身を除く): 39139470

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 71, 81, 93, 142, 162, 186, 213, 243, 279, 426, 486, 558, 639, 729, 837, 1278, 1458, 1674, 1917, 2187, 2201, 2511, 3834, 4374, 4402, 5022, 5751, 6561, 6603, 7533, 11502, 13122, 13206, 15066, 17253, 19809, 22599, 34506, 39618, 45198, 51759, 59427, 67797, 103518, 118854, 135594, 155277, 178281, 203391, 310554, 356562, 406782, 465831, 534843, 931662, 1069686, 1604529, 3209058, 4813587, 9627174, 14440761, 28881522]

約数ペア:

[(1, 28881522), (2, 14440761), (3, 9627174), (6, 4813587), (9, 3209058), (18, 1604529), (27, 1069686), (31, 931662), (54, 534843), (62, 465831), (71, 406782), (81, 356562), (93, 310554), (142, 203391), (162, 178281), (186, 155277), (213, 135594), (243, 118854), (279, 103518), (426, 67797), (486, 59427), (558, 51759), (639, 45198), (729, 39618), (837, 34506), (1278, 22599), (1458, 19809), (1674, 17253), (1917, 15066), (2187, 13206), (2201, 13122), (2511, 11502), (3834, 7533), (4374, 6603), (4402, 6561), (5022, 5751)]